4-Phenyl-2(3H)-thiazolone
Also known as: 2-Hydroxy-4-phenylthiazole, 2-oxo-4-phenylthiazole, 4-Phenyl-1,3-thiazol-2-ol, 4-Phenyl-2-thiazolol, 4-Phenyl-3H-1,3-thiazol-2-one, 4-Phenylthiazol-2-ol, 4-Phenylthiazolin-2-one, 2-Thiazolol, 4-phenyl, 4-Phenyl-3H-thiazol-2-on, 4-fenil-3H-tiazol-2-one, 4-phenyl-2,3-dihydro-2-thiazolone, 4-phenyl-2-oxo-thiazole, BUTTPARK 16\06-68, MFCD00665954, SALOR-INT L499528-1EA
4-Phenyl-2(3H)-thiazolone (CAS 3884-31-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7NOS and a molecular weight of 177.22300 g/mol. Key properties include a melting point of 207-210ºC, a boiling point of 385ºC at 760 mmHg, a density of 1.301g/cm3 and a flash point of 186.7ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3884-31-9
- Jingsj CID
- J-1090292-8
- Molecular Formula
- C9H7NOS
- Molecular Weight
- 177.22300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 207-210ºC |
|---|---|
| Boiling Point | 385ºC at 760 mmHg |
| Density | 1.301g/cm3 |
| Flash Point | 186.7ºC |
| Exact Mass | 177.02500 |
| PSA | 61.10000 |
| LogP | 2.10340 |
| Refractive Index | 1.647 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2934100090 |
|---|---|
| Summary | 2934100090 other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 4-Phenyl-2(3H)-thiazolone?
The CAS number of 4-Phenyl-2(3H)-thiazolone is 3884-31-9.
What are the molecular formula and molecular weight of 4-Phenyl-2(3H)-thiazolone?
4-Phenyl-2(3H)-thiazolone has molecular formula C9H7NOS and molecular weight 177.22300 g/mol.
Is 4-Phenyl-2(3H)-thiazolone hazardous?
4-Phenyl-2(3H)-thiazolone has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 4-Phenyl-2(3H)-thiazolone?
For 4-Phenyl-2(3H)-thiazolone, Upstream Products: Phenacyl thiocyanate, acetic acid, 2-Chloroacetophenone; Downstream Products: 2-Chloro-4-phenylthiazole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Phenyl-2(3H)-thiazolone (CAS 3884-31-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1090292-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.